Which expression is equivalent to -1.3 - (-1.9)−1.3−(−1.9)minus, 1, point, 3, minus, left parenthesis, minus, 1, point, 9, right parenthesis? choose 1 choose 1 (choice a) a -1.3+(-1.9)−1.3+(−1.9)minus, 1, point, 3, plus, left parenthesis, minus, 1, point, 9, right parenthesis (choice b) b -1.3+1.9−1.3+1.9minus, 1, point, 3, plus, 1, point, 9 (choice c) c -1.9+1.3−1.9+1.3minus, 1, point, 9, plus, 1, point, 3 (choice d) d 1.3+1.91.3+1.9